<template>
    <div class="login_container">
        <div class="login_box">
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" class="login_form">
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
                </el-form-item>
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="resetLoginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>
<script>
export default {
    data() {
        return {
            loginForm: {
                username: "admin",
                password: "123456"
            },
            loginFormRules:{
                username:[
                    { required: true, message: "请输入用户名", trigger: "blur" },
                    { min: 3, max: 10, message: "长度在3-10个字符", trigger: "blur" }
                ],
                password:[
                    { required: true, message: "请输入登录密码", trigger: "blur" },
                    { min: 6, max: 15, message: "长度在3-10个字符", trigger: "blur" }
                ]
            }
        }
    },
    methods: {
        resetLoginForm() {
            this.$refs.loginFormRef.resetFields();
        },
        login() {
            this.$refs.loginFormRef.validate( async valid =>{
                if(!valid) return;
                const { data: res } = await this.$http.post("login", this.loginForm);
                if( res.meta.status !== 200 ) return this.$message.error("登录失败");
                this.$message.success("登录成功");
                window.sessionStorage.setItem('token',res.data.token);
                this.$router.push('/home');
            })
        }
    }
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  background-color: #fff;
  transform: translate(-50%, -50%);

  .avatar_box {
    padding: 10px;
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_form{
    position: absolute;
    bottom: 20px;
    width:100%;
    padding: 0 20px;
    box-sizing: border-box;  
  }
.btns{
    display: flex;
    justify-content: flex-end;
      }
</style>
